Discussion
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- Question
Genetic and biochemical similarities between contemporary cyanobacteria and eukaryotic chloroplasts are accepted to mean that
Options- A. eukaryotes evolved from bacteria
- B. eukaryotes evolved from archaea
- C. oxygenic photosynthesis first evolved in eukaryotes
- D. cyanobacteria arose from chloroplasts which escaped from plant cells
- Correct Answer
- eukaryotes evolved from archaea
- 1. Who discovered the bacteria that cause cholera?
Options- A. Pierre Berthelot
- B. Robert Koch
- C. Louis Pasteur
- D. Rudolf Virchow Discuss
- 2. Mycoplasmas are different from the other prokaryotes by
Options- A. presence of chitin in cell walls
- B. presence of murrain in cell walls
- C. presence of proteins in cell walls
- D. absence of cell wall itself Discuss
- 3. Evolutionary relationships between groups of organisms are determined using which of the following type of information?
Options- A. Comparisons of nucleotide sequences
- B. Comparisons of biochemical pathways
- C. Comparisons of structural features
- D. All of the above Discuss
- 4. The first organism in most natural food chains is
Options- A. a herbivore
- B. a decomposer
- C. photosynthetic
- D. carnivorous Discuss
- 5. Which one is not studied in microbiology?
Options- A. Bacteria
- B. Animal behaviour
- C. Fungi
- D. Algae Discuss
- 6. The idea of selective toxicity was first proposed by
Options- A. Antony van Leeuwenhoek
- B. Paul Ehrlich
- C. Louis Pasteur
- D. Alexander Fleming Discuss
- 7. One of the reasons for the evolutionary success of the kingdom Monera is that its members are nutritionally diverse. Which of the following(s) is/are the way(s) of obtaining energy?
Options- A. Photoautotrophy
- B. Photoheterotrophy
- C. Chemoheterotrophy
- D. All of the above Discuss
- 8. The phospholipids present in cytoplasm membrane of eubacteria is mainly
Options- A. phosphoglycerides
- B. polyisoprenoid
- C. phospholipoprotein
- D. none of these Discuss
- 9. Which of the following is considered the most unifying concept in biology?
Options- A. Taxonomy
- B. Anatomy
- C. Genetics
- D. Evolution Discuss
- 10. All the following are considered eukaryotes except
Options- A. archaea
- B. fungi
- C. protozoa
- D. humans Discuss
Micro Organisms problems
Search Results
Correct Answer: Robert Koch
Correct Answer: absence of cell wall itself
Correct Answer: All of the above
Correct Answer: a herbivore
Correct Answer: Animal behaviour
Correct Answer: Paul Ehrlich
Correct Answer: All of the above
Correct Answer: phosphoglycerides
Correct Answer: Evolution
Correct Answer: archaea
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